3312780 has 24 divisors (see below), whose sum is σ = 9275952. Its totient is φ = 883392.

The previous prime is 3312767. The next prime is 3312781. The reversal of 3312780 is 872133.

3312780 = 640² + 641² + ... + 647².

It is a super-2 number, since 2×3312780² = 21949022656800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3312780.

It is not an unprimeable number, because it can be changed into a prime (3312781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27547 + ... + 27666.

It is an arithmetic number, because the mean of its divisors is an integer number (386498).

Almost surely, 2^3312780 is an apocalyptic number.

3312780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3312780 is an abundant number, since it is smaller than the sum of its proper divisors (5963172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3312780 is a wasteful number, since it uses less digits than its factorization.

3312780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55225 (or 55223 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3312780 is about 1820.1043926105. The cubic root of 3312780 is about 149.0724989886.

The spelling of 3312780 in words is "three million, three hundred twelve thousand, seven hundred eighty".